11103434023 has 16 divisors (see below), whose sum is σ = 12853728000. Its totient is φ = 9491500480.

The previous prime is 11103434011. The next prime is 11103434033. The reversal of 11103434023 is 32043430111.

It is not a de Polignac number, because 11103434023 - 2⁹ = 11103433511 is a prime.

It is a super-2 number, since 2×11103434023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103433985 and 11103434003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103434033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356998 + ... + 386851.

It is an arithmetic number, because the mean of its divisors is an integer number (803358000).

Almost surely, 2^11103434023 is an apocalyptic number.

11103434023 is a deficient number, since it is larger than the sum of its proper divisors (1750293977).

11103434023 is a wasteful number, since it uses less digits than its factorization.

11103434023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743942.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11103434023 its reverse (32043430111), we get a palindrome (43146864134).

The spelling of 11103434023 in words is "eleven billion, one hundred three million, four hundred thirty-four thousand, twenty-three".